Articles with "singular sensitivity" as a keyword



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Large time behavior to a chemotaxis–consumption model with singular sensitivity and logistic source

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Published in 2020 at "Mathematical Methods in the Applied Sciences"

DOI: 10.1002/mma.6971

Abstract: This paper studies the chemotaxis–consumption model with singular sensitivity and logistic source ut=△u−χ∇·f(u)v∇v+κu−μu2x∈Ω,t>0,vt=ϵ△v−g(u)v,x∈Ω,t>0, under homogenous Neumann boundary condition in a smooth bounded domain Ω⊂ℝn(n≥2) , with positive parameters χ, ϵ, μ, and f(u) ≃ uα, g(u) ≃ uβ for α∈ℝ and… read more here.

Keywords: sensitivity logistic; consumption model; model singular; singular sensitivity ... See more keywords
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Spiky Steady States of a Chemotaxis System with Singular Sensitivity

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Published in 2018 at "Journal of Dynamics and Differential Equations"

DOI: 10.1007/s10884-017-9621-3

Abstract: This paper is concerned with the steady state problem of a chemotaxis model with singular sensitivity function in a one dimensional spatial domain. Using the chemotactic coefficient $$\chi $$χ as the bifurcation parameter, we perform… read more here.

Keywords: states chemotaxis; singular sensitivity; steady states; chemotaxis system ... See more keywords

Boundedness and asymptotic behavior to a chemotaxis-fluid system with singular sensitivity and logistic source

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Published in 2020 at "Journal of Mathematical Analysis and Applications"

DOI: 10.1016/j.jmaa.2019.123748

Abstract: Abstract In this paper, we consider the following chemotaxis-fluid model with singular sensitivity and logistic source { n t + u ⋅ ∇ n = Δ n − χ ∇ ⋅ ( n c ∇… read more here.

Keywords: chemotaxis fluid; sensitivity logistic; singular sensitivity; logistic source ... See more keywords
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Global existence to a chemotaxis-consumption model with nonlinear diffusion and singular sensitivity

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Published in 2019 at "Applicable Analysis"

DOI: 10.1080/00036811.2018.1478083

Abstract: ABSTRACT This paper deals with the chemotaxis-consumption model with singular sensitivity and nonlinear diffusion under the homogenous Neumann boundary condition in a smooth-bounded domain , with positive parameters and , , for , m>1 and… read more here.

Keywords: consumption model; singular sensitivity; nonlinear diffusion; chemotaxis consumption ... See more keywords